METHOD OF THERMO-GAS-CHEMICAL CLEANING OF BOTTOM-HOLE FORMATION ZONE

FIELD: oil-and-gas producing industry. SUBSTANCE: method includes delivery of hydrochloric acid in container of tubing on cable to required interval. Then lowered into well is gas generator with slowly burning charge, and the latter is ignited 0.1-1 m below the producing formation. Heated hydrochloric acid is forced into fractures and pores of formation. After time interval of 1-1.5 h implosive device is lowered into well for suction of reaction products from bottom-hole formation zone, and its subsequent removal to surface. EFFECT: higher efficiency of thermo-gas-chemical treatment of bottom-hole formation zone through the entire thickness of formation. 3 dwg